Mag-Mate OD (Foreign Object Damage) free Stainless Steel Telescoping Inspection Mirror has rotating joints to help you see around corners or in to tight spots to inspect hard-to-see places. With its unbreakable stainless steel mirror surface, it's an excellent choice for use in ...Mag-Mate OD (Foreign Object Damage) free Stainless Steel Telescoping Inspection Mirror has rotating joints to help you see around corners or in to tight spots to inspect hard-to-see places. With its unbreakable stainless steel mirror surface, it's an excellent choice for use in critical areas where no foreign objects can be left behind, such as engines, fuel lines, and machinery.